mirror of
https://github.com/kellyjonbrazil/jc.git
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4b028b5080
Found via `codespell -S ./tests/fixtures -L chage,respons,astroid,unx,ist,technik,ans,buildd`
129 lines
4.0 KiB
Python
129 lines
4.0 KiB
Python
"""
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jc - JSON Convert Windows `route` command output parser
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"""
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import re
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from typing import List
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SEPARATORS = (
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"===========================================================================",
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" None"
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)
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# 22...00 50 56 c0 00 01 ......VMware Virtual Ethernet Adapter for VMnet1
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# {"id": 22, "mac": "00 50 56 c0 00 01", "name": "VMware Virtual Ethernet Adapter for VMnet1"}
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INTERFACE_REGEX = re.compile(
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r"^(?P<id>\d+)\.{3}(?P<mac>.{17})[\s+\.]+(?P<name>[^\n\r]+)$"
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)
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ROUTE_TABLES = ("IPv4 Route Table", "IPv6 Route Table")
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ROUTE_TYPES = ("Active Routes:", "Persistent Routes:")
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def get_lines_until_seperator(iterator):
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lines = []
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for line in iterator:
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if line in SEPARATORS:
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break
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lines.append(line)
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return lines
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def normalize_route_table(route_table: List[str]):
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headers = route_table[0]
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headers = headers.lower()
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headers = headers.replace("network destination", "destination")
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headers = headers.replace("if", "iface")
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headers = headers.replace("interface", "iface")
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headers = headers.replace("netmask", "genmask")
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headers_count = len(headers.split())
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previous_line_has_all_the_data = True
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normalized_route_table = [headers]
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for row in route_table[1:]:
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row = row.strip()
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has_all_the_data = len(row.split()) == headers_count
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# If the number of columns doesn't match the number of headers in the current and previous line, concatenating them.
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if not has_all_the_data and not previous_line_has_all_the_data:
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previous_line = normalized_route_table.pop(
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len(normalized_route_table) - 1)
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row = f'{previous_line} {row}'
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has_all_the_data = True
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normalized_route_table.append(row.strip())
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previous_line_has_all_the_data = has_all_the_data
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return normalized_route_table
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def parse(cleandata: List[str]):
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"""
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Main text parsing function for Windows route
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Parameters:
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cleandata: (string) text data to parse
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Returns:
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List of Dictionaries. Raw structured data.
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"""
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raw_output = []
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data_iterator = iter(cleandata)
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for line in data_iterator:
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if not line:
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continue
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if line == "Interface List":
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# Interface List
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# 8...00 ff 58 60 5f 61 ......TAP-Windows Adapter V9
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# 52...00 15 5d fd 0d 45 ......Hyper-V Virtual Ethernet Adapter
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# ===========================================================================
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interfaces = []
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for interface_line in data_iterator:
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interface_line = interface_line.strip()
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if interface_line in SEPARATORS:
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break
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interface_match = INTERFACE_REGEX.search(interface_line)
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if interface_match:
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interfaces.append(interface_match.groupdict())
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if interfaces:
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raw_output.append({"interfaces": interfaces})
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continue
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full_route_table = []
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if line in ROUTE_TABLES:
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next(data_iterator) # Skipping the table title.
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# Persistent Routes:
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# Network Address Netmask Gateway Address Metric
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# 157.0.0.0 255.0.0.0 157.55.80.1 3
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# ===========================================================================
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for route_line in data_iterator:
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if route_line in ROUTE_TYPES:
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import jc.parsers.universal
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route_table = get_lines_until_seperator(
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data_iterator
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)
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if not route_table:
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continue
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route_table = normalize_route_table(
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route_table
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)
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full_route_table.extend(
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jc.parsers.universal.simple_table_parse(
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route_table
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)
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)
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raw_output.extend(full_route_table)
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return raw_output
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